Cultivating blade



FIG. 1 is a Bottom plan view embodying my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side isometric view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a left side view. 

The ornamental design for a cultivating blade, as shown and described. 